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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,146 @@ | ||
| package com.shkil.preference; | ||
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| import android.content.Context; | ||
| import android.content.res.TypedArray; | ||
| import android.preference.DialogPreference; | ||
| import android.util.AttributeSet; | ||
| import android.view.LayoutInflater; | ||
| import android.view.View; | ||
| import android.widget.SeekBar; | ||
| import android.widget.SeekBar.OnSeekBarChangeListener; | ||
| import android.widget.TextView; | ||
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| import com.shkil.battery.R; | ||
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| public class SeekBarPreference extends DialogPreference implements OnSeekBarChangeListener { | ||
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| private int currentValue = -1; | ||
| private final int minValue; | ||
| private final int maxValue; | ||
| private final String valueFormat; | ||
| private final String summaryFormat; | ||
| private final String summaryZero; | ||
| private final String dialogMessage; | ||
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| private SeekBar seekBar; | ||
| private TextView valueText; | ||
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| private static final int DEFAULT_MIN_VALUE = 0; | ||
| private static final int DEFAULT_MAX_VALUE = 100; | ||
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| public SeekBarPreference(Context context, AttributeSet attrs) { | ||
| this(context, attrs, android.R.attr.dialogPreferenceStyle); | ||
| } | ||
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| public SeekBarPreference(Context context, AttributeSet attrs, int defStyle) { | ||
| super(context, attrs, defStyle); | ||
| setPersistent(true); | ||
| TypedArray seekBarAttrs = context.obtainStyledAttributes(attrs, R.styleable.SeekBarPreference); | ||
| TypedArray summaryAttrs = context.obtainStyledAttributes(attrs, R.styleable.SummaryFormat); | ||
| valueFormat = seekBarAttrs.getString(R.styleable.SeekBarPreference_valueFormat); | ||
| summaryFormat = summaryAttrs.getString(R.styleable.SummaryFormat_summaryFormat); | ||
| String summaryZero = summaryAttrs.getString(R.styleable.SummaryFormat_summaryEmpty); | ||
| this.summaryZero = summaryZero != null ? summaryZero : "0"; | ||
| minValue = seekBarAttrs.getInt(R.styleable.SeekBarPreference_minValue, DEFAULT_MIN_VALUE); | ||
| maxValue = seekBarAttrs.getInt(R.styleable.SeekBarPreference_maxValue, DEFAULT_MAX_VALUE); | ||
| dialogMessage = seekBarAttrs.getString(R.styleable.SeekBarPreference_dialogMessage); | ||
| setValue(minValue); | ||
| } | ||
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| @Override | ||
| protected Object onGetDefaultValue(TypedArray a, int index) { | ||
| return a.getInt(index, 0); | ||
| } | ||
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| @Override | ||
| protected void onSetInitialValue(boolean restorePersistedValue, Object defaultValue) { | ||
| int value; | ||
| if (restorePersistedValue) { | ||
| value = getPersistedInt(minValue); | ||
| } | ||
| else if (defaultValue != null) { | ||
| value = (Integer) defaultValue; | ||
| } | ||
| else { | ||
| value = minValue; | ||
| } | ||
| setValue(value); | ||
| } | ||
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| public void setValue(int value) { | ||
| if (value < minValue) { | ||
| value = minValue; | ||
| } | ||
| else if (value > maxValue) { | ||
| value = maxValue; | ||
| } | ||
| if (currentValue != value) { | ||
| currentValue = value; | ||
| if (seekBar != null) { | ||
| seekBar.setProgress(value - minValue); | ||
| } | ||
| if (valueText != null) { | ||
| updateValue(value); | ||
| } | ||
| updateSummary(value); | ||
| } | ||
| } | ||
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| private void updateSummary(int value) { | ||
| setSummary(value == 0 ? summaryZero : (summaryFormat != null ? String.format(summaryFormat, value) : String.valueOf(value))); | ||
| } | ||
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| private void updateValue(int value) { | ||
| valueText.setText(valueFormat != null ? String.format(valueFormat, value) : String.valueOf(value)); | ||
| } | ||
|
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| @Override | ||
| protected View onCreateDialogView() { | ||
| LayoutInflater layoutInflater = (LayoutInflater) getContext().getSystemService(Context.LAYOUT_INFLATER_SERVICE); | ||
| View dialogView = layoutInflater.inflate(R.layout.seek_bar_preference, null); | ||
| SeekBar seekBar = (SeekBar) dialogView.findViewById(R.id.seek_bar); | ||
| valueText = (TextView) dialogView.findViewById(R.id.seekbar_value_text); | ||
| this.seekBar = seekBar; | ||
| seekBar.setMax(maxValue - minValue); | ||
| seekBar.setProgress(currentValue - minValue); | ||
| TextView dialogMessageView = (TextView) dialogView.findViewById(R.id.dialog_message); | ||
| if (dialogMessage != null) { | ||
| dialogMessageView.setText(dialogMessage); | ||
| } | ||
| else { | ||
| dialogMessageView.setVisibility(View.GONE); | ||
| } | ||
| updateValue(currentValue); | ||
| seekBar.setOnSeekBarChangeListener(this); | ||
| return dialogView; | ||
| } | ||
|
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| @Override | ||
| protected void onDialogClosed(boolean positiveResult) { | ||
| if (positiveResult) { | ||
| int value = seekBar.getProgress() + minValue; | ||
| this.currentValue = value; | ||
| if (callChangeListener(value)) { | ||
| if (isPersistent()) { | ||
| persistInt(value); | ||
| } | ||
| updateSummary(value); | ||
| notifyChanged(); | ||
| } | ||
| } | ||
| } | ||
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| @Override | ||
| public void onProgressChanged(SeekBar seekBar, int progress, boolean fromUser) { | ||
| updateValue(progress + minValue); | ||
| } | ||
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| @Override | ||
| public void onStartTrackingTouch(SeekBar seekBar) { | ||
| } | ||
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| @Override | ||
| public void onStopTrackingTouch(SeekBar seekBar) { | ||
| } | ||
|
|
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| } |
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